| /* SPDX-License-Identifier: GPL-2.0 */ |
| #include <linux/linkage.h> |
| #include <asm/assembler.h> |
| |
| #if __LINUX_ARM_ARCH__ >= 6 |
| ENTRY(__bswapsi2) |
| rev r0, r0 |
| bx lr |
| ENDPROC(__bswapsi2) |
| |
| ENTRY(__bswapdi2) |
| rev r3, r0 |
| rev r0, r1 |
| mov r1, r3 |
| bx lr |
| ENDPROC(__bswapdi2) |
| #else |
| ENTRY(__bswapsi2) |
| eor r3, r0, r0, ror #16 |
| mov r3, r3, lsr #8 |
| bic r3, r3, #0xff00 |
| eor r0, r3, r0, ror #8 |
| ret lr |
| ENDPROC(__bswapsi2) |
| |
| ENTRY(__bswapdi2) |
| mov ip, r1 |
| eor r3, ip, ip, ror #16 |
| eor r1, r0, r0, ror #16 |
| mov r1, r1, lsr #8 |
| mov r3, r3, lsr #8 |
| bic r3, r3, #0xff00 |
| bic r1, r1, #0xff00 |
| eor r1, r1, r0, ror #8 |
| eor r0, r3, ip, ror #8 |
| ret lr |
| ENDPROC(__bswapdi2) |
| #endif |